Cosmic Chasm (set 1)
Strap on your vector spacesuit, and hop into your vector spaceship. It is a good old ship, and it has seen a lot of action. From navigating the asteroid belt and blasting aliens around the sun, to attacking evil space cannons, your little vector ship has done it all, and this time it has been upgraded with twin blasters. You see the ship in Cosmic Chasm seems to be the same spaceship that is in every vector game. You control it using rotation buttons and a thruster button, with a laser and a shield button thrown in for good measure, just like almost every other vector game around.
Now here is what you have to do. You guide your ship through a space fortress room by room. Each room contains a center section that slowly grows and will eventually trap you if you are not fast enough. You can shoot the center section to slow its growth. Each room also contains several exits. One of the exits will always spew forth a bunch of bad guys, shoot them, then exit to go to a different room. Between rooms you get to see an excellent tunnel animation. The idea is to make your way to the center of the fortress, blast the power core, and then leave. There is a map at the top of the screen to keep you from getting lost. This is a pretty decent game. It has a lot more to offer than the one screen of bad guys that most vector games have.
Now here is what you have to do. You guide your ship through a space fortress room by room. Each room contains a center section that slowly grows and will eventually trap you if you are not fast enough. You can shoot the center section to slow its growth. Each room also contains several exits. One of the exits will always spew forth a bunch of bad guys, shoot them, then exit to go to a different room. Between rooms you get to see an excellent tunnel animation. The idea is to make your way to the center of the fortress, blast the power core, and then leave. There is a map at the top of the screen to keep you from getting lost. This is a pretty decent game. It has a lot more to offer than the one screen of bad guys that most vector games have.
Cosmic Chasm (set 1)
Télécharger Cosmic Chasm (set 1)
Contents of the ROM :
Technical
CPU
- maincpu 68000 (@ 8 Mhz)
- audiocpu Z80 (@ 3 Mhz)
Chipset
- AY-3-8910A (@ 1 Mhz)
- AY-3-8910A (@ 1 Mhz)
- DAC
- DAC
Display
- Orientation Tate
- Resolution 0 x 0
- Frequency 40 Hz
Controlers
- Number of players 1
- Number of buttons 3
- Kind of controler dial
Cosmic Chasm (set 1) Screenshots
Clones of Cosmic Chasm (set 1)
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Cosmic Chasm (set 1) and M.A.M.E.
0.36b1 [Mathis Rosenhauer]
WIP:
- 0.146: Port changed regression fix [Miodrag Milanovic]. This fixed coin insert problem in Cosmic Chasm.
- 0.134u4: Curt Coder refactored Z80CTC to use devcb. Emulated coin flag flip-flop in Cosmic Chasm.
- 0.123u2: James Wallace added documentation of the Cosmic Chasm crystals, and merged the memory maps.
- 0.112u4: Aaron Giles removed custom sound code from Cosmic Chasm and replaced it with a simple DAC implementation. Replaced Custom sound with 2x DAC.
- 0.107u3: El Condor converted Cosmic Chasm to use the 6840 timer module.
- 0.106u12: MASH added plds ($0, 100 - pal12l6.u76 and pal12l6.u77) to Cosmic Chasm (set 1).
- 0.61: Paul Priest fixed cchasm1 from crashing at startup.
- 0.58: Changed palettesize from 256 to 32768 colors.
- 0.36b1: Mathis Rosenhauer added Cosmic Chasm (set 1) (Cinematronics / GCE 1983) and clone (set 2).
- 18th July 1999: Mathis Rosenhauer did another fix to Cosmic Chasm sound.
- 16th July 1999: Mathis Rosenhauer sent in a Cosmic Chasm driver with much better Z80CTC sound.
- 15th July 1999: Mathis Rosenhauer sent in a working Cosmic Chasm driver.
PLAY INSTRUCTIONS:
- The Cosmic Chasm Space Station is occupied by a hostile enemy force. Your mission is to maneuver your ship through the station and destroy the cenatral power core.
- After destroying the core retrace your path to the point of entry and escape before the chain reaction destroys the station.
- If you are successful you will be promoted to more dangerous missions.
Romset: 69 kb / 19 files / 34.1 zip
WIP:
- 0.146: Port changed regression fix [Miodrag Milanovic]. This fixed coin insert problem in Cosmic Chasm.
- 0.134u4: Curt Coder refactored Z80CTC to use devcb. Emulated coin flag flip-flop in Cosmic Chasm.
- 0.123u2: James Wallace added documentation of the Cosmic Chasm crystals, and merged the memory maps.
- 0.112u4: Aaron Giles removed custom sound code from Cosmic Chasm and replaced it with a simple DAC implementation. Replaced Custom sound with 2x DAC.
- 0.107u3: El Condor converted Cosmic Chasm to use the 6840 timer module.
- 0.106u12: MASH added plds ($0, 100 - pal12l6.u76 and pal12l6.u77) to Cosmic Chasm (set 1).
- 0.61: Paul Priest fixed cchasm1 from crashing at startup.
- 0.58: Changed palettesize from 256 to 32768 colors.
- 0.36b1: Mathis Rosenhauer added Cosmic Chasm (set 1) (Cinematronics / GCE 1983) and clone (set 2).
- 18th July 1999: Mathis Rosenhauer did another fix to Cosmic Chasm sound.
- 16th July 1999: Mathis Rosenhauer sent in a Cosmic Chasm driver with much better Z80CTC sound.
- 15th July 1999: Mathis Rosenhauer sent in a working Cosmic Chasm driver.
PLAY INSTRUCTIONS:
- The Cosmic Chasm Space Station is occupied by a hostile enemy force. Your mission is to maneuver your ship through the station and destroy the cenatral power core.
- After destroying the core retrace your path to the point of entry and escape before the chain reaction destroys the station.
- If you are successful you will be promoted to more dangerous missions.
Romset: 69 kb / 19 files / 34.1 zip
